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Finding the Fourth Proportional to 62,616.88, 93,940.68 and 18,244

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Solution

The fourth proportional to 62,616.88, 93,940.68 and 18,244 is: 27,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,616.88 : 93,940.68 = 18,244 : x
  2. Step 2: Convert to fraction form
    62,616.88/93,940.68 = 18,244/x
  3. Step 3: Cross multiply
    62,616.88x = 93,940.68 × 18,244
  4. Step 4: Simplify right side
    62,616.88x = 1,713,853,765.92
  5. Step 5: Solve for x
    x = 1,713,853,765.92/62,616.88
  6. Step 6: Final answer
    x = 27,370.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.